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76883971 is a prime number
BaseRepresentation
bin1001001010100…
…10100000000011
312100200002222111
410211102200003
5124140241341
611343520151
71622334343
oct445224003
9170602874
1076883971
113a44307a
12218b9057
1312c0bc98
14a2d4d23
156b3a681
hex4952803

76883971 has 2 divisors, whose sum is σ = 76883972. Its totient is φ = 76883970.

The previous prime is 76883953. The next prime is 76883977. The reversal of 76883971 is 17938867.

It is a strong prime.

It is an emirp because it is prime and its reverse (17938867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76883971 is a prime.

It is a super-2 number, since 2×768839712 = 11822289993457682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76883977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38441985 + 38441986.

It is an arithmetic number, because the mean of its divisors is an integer number (38441986).

Almost surely, 276883971 is an apocalyptic number.

76883971 is a deficient number, since it is larger than the sum of its proper divisors (1).

76883971 is an equidigital number, since it uses as much as digits as its factorization.

76883971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 76883971 is about 8768.3505290334. The cubic root of 76883971 is about 425.2182887859.

The spelling of 76883971 in words is "seventy-six million, eight hundred eighty-three thousand, nine hundred seventy-one".